beautiful caves in moravian karst

area balcarka beautiful calcareous cave cavern caverns caves central colorful creation czech decoration drip dripstone drop erosion europe famous fantasy full geology gorges grotto important impressions karst karsts kras landmark limestone minerals morava moravia moravian moravsky more most natural nature nbeautiful presents punkva reflection river shape speleological speleology stalactical stalactite stalactites stalactitic stalagmite stalagmites stone subterranean tourism travel underground unforgettable views